JP2024523229A - 高双極子モーメントフラグメントを有する金属化合物を含む、有機電子デバイス - Google Patents

高双極子モーメントフラグメントを有する金属化合物を含む、有機電子デバイス Download PDF

Info

Publication number
JP2024523229A
JP2024523229A JP2023575849A JP2023575849A JP2024523229A JP 2024523229 A JP2024523229 A JP 2024523229A JP 2023575849 A JP2023575849 A JP 2023575849A JP 2023575849 A JP2023575849 A JP 2023575849A JP 2024523229 A JP2024523229 A JP 2024523229A
Authority
JP
Japan
Prior art keywords
substituted
unsubstituted
layer
aryl
ligand
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2023575849A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024523229A5 (enExample
Inventor
ウヴァロフ,ウラジーミル
エッゲマン,ウルリヒ
ヴィルマン,シュテフェン
ルシュティネッツ,レギーナ
Original Assignee
ノヴァレッド ゲーエムベーハー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ノヴァレッド ゲーエムベーハー filed Critical ノヴァレッド ゲーエムベーハー
Publication of JP2024523229A publication Critical patent/JP2024523229A/ja
Publication of JP2024523229A5 publication Critical patent/JP2024523229A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/61—Halogen atoms or nitro radicals
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/30—Coordination compounds
    • H10K85/371—Metal complexes comprising a group IB metal element, e.g. comprising copper, gold or silver
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/56—Ring systems containing three or more rings
    • C07D209/80—[b, c]- or [b, d]-condensed
    • C07D209/82—Carbazoles; Hydrogenated carbazoles
    • C07D209/86—Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B57/00—Other synthetic dyes of known constitution
    • C09B57/10—Metal complexes of organic compounds not being dyes in uncomplexed form
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent materials, e.g. electroluminescent or chemiluminescent
    • C09K11/06—Luminescent materials, e.g. electroluminescent or chemiluminescent containing organic luminescent materials
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14—Carrier transporting layers
    • H10K50/15—Hole transporting layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/17—Carrier injection layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8051—Anodes
    • H10K59/80517—Multilayers, e.g. transparent multilayers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8052—Cathodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10—Substrates, e.g. flexible substrates
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/30—Coordination compounds
    • H10K85/321—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3]
    • H10K85/324—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3] comprising aluminium, e.g. Alq3
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/30—Coordination compounds
    • H10K85/331—Metal complexes comprising an iron-series metal, e.g. Fe, Co, Ni
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/40—Organosilicon compounds, e.g. TIPS pentacene
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H10K85/636—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6574—Polycyclic condensed heteroaromatic hydrocarbons comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14—Carrier transporting layers
    • H10K50/15—Hole transporting layers
    • H10K50/155—Hole transporting layers comprising dopants
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14—Carrier transporting layers
    • H10K50/15—Hole transporting layers
    • H10K50/156—Hole transporting layers comprising a multilayered structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Inorganic Chemistry (AREA)
  • Electroluminescent Light Sources (AREA)
JP2023575849A 2021-06-18 2022-06-15 高双極子モーメントフラグメントを有する金属化合物を含む、有機電子デバイス Pending JP2024523229A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21180305.1A EP4105201A1 (en) 2021-06-18 2021-06-18 An organic electroluminescent device comprising a substrate, an anode layer and a cathode layer, at least one light emitting layer, and at least one semiconductor layer that comprises at least one metal compound of a metal and at least one ligand
EP21180305.1 2021-06-18
PCT/EP2022/066285 WO2022263497A1 (en) 2021-06-18 2022-06-15 Organic electronic devices comprising bis(((z)-3-(4-cyano-3,5-bis(trifluoromethyl)phenyl)-4-oxopent-2-en-2-yl)oxy)copper(ii) or the corresponding aluminium(iii) or iron(iii) complexes or similar complexes

Publications (2)

Publication Number Publication Date
JP2024523229A true JP2024523229A (ja) 2024-06-28
JP2024523229A5 JP2024523229A5 (enExample) 2026-02-18

Family

ID=76553480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023575849A Pending JP2024523229A (ja) 2021-06-18 2022-06-15 高双極子モーメントフラグメントを有する金属化合物を含む、有機電子デバイス

Country Status (7)

Country Link
US (1) US20240292735A1 (enExample)
EP (2) EP4105201A1 (enExample)
JP (1) JP2024523229A (enExample)
KR (1) KR20240024068A (enExample)
CN (1) CN117460716A (enExample)
TW (1) TW202349759A (enExample)
WO (1) WO2022263497A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4105201A1 (en) 2021-06-18 2022-12-21 Novaled GmbH An organic electroluminescent device comprising a substrate, an anode layer and a cathode layer, at least one light emitting layer, and at least one semiconductor layer that comprises at least one metal compound of a metal and at least one ligand
EP4761536A1 (en) * 2024-12-12 2026-06-17 Novaled GmbH An organic electronic device comprising a substrate, an anode layer, a cathode layer, at least one first emission layer, and two hole injection layers

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012018939A (ja) * 2011-10-25 2012-01-26 Pioneer Electronic Corp 発光素子
JP2015526881A (ja) * 2012-06-06 2015-09-10 シーメンス アクチエンゲゼルシヤフトSiemens Aktiengesellschaft 有機電子マトリクス材料のためのp−型ドーパントとしての金属錯体
JP2016195136A (ja) * 2011-02-11 2016-11-17 株式会社半導体エネルギー研究所 発光装置
WO2016188604A1 (en) * 2015-05-22 2016-12-01 Merck Patent Gmbh Composition comprising an organic semiconductor and a metal complex
JP2018525835A (ja) * 2015-08-18 2018-09-06 ノヴァレッド ゲーエムベーハー 有機発光ダイオード(oled)の正孔注入層(hil)として使用される金属アミド
CN111018921A (zh) * 2018-10-10 2020-04-17 北京夏禾科技有限公司 一种金属络合物及包含金属络合物的电致发光器件

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5158703A (en) * 1991-04-03 1992-10-27 Mitsui Toatsu Chemicals Inc. Resin composition for ultraviolet luminescent screen
US7964028B2 (en) * 2009-02-06 2011-06-21 Battelle Memorial Institute Method and apparatus for selective capture of gas phase analytes using metal β-diketonate polymers
JP5713285B2 (ja) * 2010-12-01 2015-05-07 独立行政法人物質・材料研究機構 金属錯体、色素増感酸化物半導体電極及び色素増感太陽能電池
US20150048336A1 (en) * 2012-04-02 2015-02-19 Pioneer Corporation Organic electroluminescence panel and method for producing the same
EP2722908A1 (en) 2012-10-17 2014-04-23 Novaled AG Phosphorescent OLED and hole transporting materials for phosphorescent OLEDs
EP4105201A1 (en) 2021-06-18 2022-12-21 Novaled GmbH An organic electroluminescent device comprising a substrate, an anode layer and a cathode layer, at least one light emitting layer, and at least one semiconductor layer that comprises at least one metal compound of a metal and at least one ligand

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016195136A (ja) * 2011-02-11 2016-11-17 株式会社半導体エネルギー研究所 発光装置
JP2012018939A (ja) * 2011-10-25 2012-01-26 Pioneer Electronic Corp 発光素子
JP2015526881A (ja) * 2012-06-06 2015-09-10 シーメンス アクチエンゲゼルシヤフトSiemens Aktiengesellschaft 有機電子マトリクス材料のためのp−型ドーパントとしての金属錯体
WO2016188604A1 (en) * 2015-05-22 2016-12-01 Merck Patent Gmbh Composition comprising an organic semiconductor and a metal complex
JP2018525835A (ja) * 2015-08-18 2018-09-06 ノヴァレッド ゲーエムベーハー 有機発光ダイオード(oled)の正孔注入層(hil)として使用される金属アミド
CN111018921A (zh) * 2018-10-10 2020-04-17 北京夏禾科技有限公司 一种金属络合物及包含金属络合物的电致发光器件

Also Published As

Publication number Publication date
CN117460716A (zh) 2024-01-26
EP4355731B1 (en) 2026-06-17
US20240292735A1 (en) 2024-08-29
TW202349759A (zh) 2023-12-16
WO2022263497A1 (en) 2022-12-22
KR20240024068A (ko) 2024-02-23
EP4355731A1 (en) 2024-04-24
EP4105201A1 (en) 2022-12-21

Similar Documents

Publication Publication Date Title
KR102848035B1 (ko) 유기 전자 장치에 사용하기 위한 화학식 (1)의 화합물 뿐만 아니라, 화학식 (1)의 화합물을 포함하는 유기 전자 장치, 유기 전자 장치를 포함하는 디스플레이 장치
WO2022101439A1 (en) Organic electronic device comprising a compound of formula (1), display device comprising the organic electronic device as well as compounds of formula (1) for use in organic electronic devices
EP3840081A1 (en) Organic electronic device comprising a compound of formula (1), display device comprising the organic electronic device as well as compounds of formula (1) for use in organic electronic devices
KR102848036B1 (ko) 유기 전자 장치에 사용하기 위한 화학식 (1)의 화합물 뿐만 아니라, 화학식 (1)의 화합물을 포함하는 유기 전자 장치, 유기 전자 장치를 포함하는 디스플레이 장치
JP7771107B2 (ja) 有機電子デバイスおよび該有機電子デバイスを含む表示デバイス、ならびに有機電子デバイスにおける使用のための組成物
KR20220156888A (ko) 기판, 애노드층, 캐소드층, 적어도 하나의 제1 방출층, 및 금속 착화합물을 포함하는 정공 주입층을 포함하는 유기 전자 장치
US20230056395A1 (en) Organic Electronic Device Comprising a Compound of Formula (I), Display Device Comprising the Organic Electronic Device as Well as Compounds of Formula (I) for Use in Organic Electronic Devices
EP4066297A1 (en) Organic electronic device and display device comprising the organic electronic device as well as organic compounds for use in organic electronic devices
WO2022263493A1 (en) Organic electronic device comprising a compound of formula (1), display device comprising the organic electronic device as well as compounds of formula (1) for use in organic electronic devices
US20240292735A1 (en) Organic electronic devices comprising metal complexes with high dipole moment fragments
KR20240023511A (ko) 기판, 애노드층, 캐소드층, 적어도 하나의 제1 발광층, 및 금속 착화합물을 포함하는 적어도 하나의 정공 주입층을 포함하는 유기 전자 장치
WO2022200114A1 (en) Organic electronic device, display device comprising the organic electronic device as well as compounds for use in organic electronic devices
EP3930023B1 (en) Organic electronic device comprising a compound of formula (1), display device comprising the organic electronic device as well as compounds of formula (1) for use in organic electronic devices

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231219

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250130

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20260206

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20260206

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20260310

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20260317

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20260617